Infrastructure Engineer

Share Knowledge, Empower the World Arches is a global platform for expert knowledge, strategic solutions, and talent, with a particular strength in Asia. We connect people and insights to help organizations make better decisions and drive real impact. At Arches, titles don’t drive us, purpose does. We empower ambitious professionals to grow fast and work globally with the flexibility to thrive in their own way. Since 2019, we’ve grown to become a global knowledge platform connecting 200,000+ experts across industries. With offices in 8 cities and a team of ambitious professionals from 15+ nationalities, we help the world’s top consulting firms, investors, and Fortune 500 companies make smarter decisions. Backed by $6M+ funding and cutting-edge technology, we’re scaling faster than ever and there’s space for bold talent to grow with us. Arches was certified as: Winner of the LinkedIn Impact Awards 2026 Great Place to Work® Japan 2026 One of Japan’s fastest-growing companies (KUSABI Award 2025) Learn more about us: Arches on LinkedIn(https://www.linkedin.com/company/arches-expert-network-service/) Arches（アーチーズ）は、世界中の専門家の『知識・経験』という無形資産をシェアし、企業のビジネスを加速させる「知見」のグローバルプラットフォームです。人と知見をつなぐことで、企業のより良い意思決定と真のインパクト創出を支援しています。Archesを動かすのは、肩書きではなくパーパスです。意欲ある人材が、自分らしいスタイルでグローバルに成長できる環境を提供しています。 2019年の創業以来20万人以上の専門家を業界横断でつなぐグローバルナレッジプラットフォームへと進化しました。8都市にオフィスを構え、15以上の国籍を持つメンバーが集うチームで、世界トップクラスのコンサルティングファーム、投資家、Fortune 500企業の意思決定を支えています。 600万ドル以上の資金調達と最先端テクノロジーを基盤に、かつてないスピードで成長中。挑戦を恐れないタレントが共に成長できるフィールドが、ここにあります。 LinkedIn Impact Awards 2026 Great Place to Work® Japan 2026 「働きがい認定企業」選出 KUSABI Award 2025 受賞 — 「ビジネスグロース賞」を受賞 Who We Are Arches is a global knowledge platform connecting 160,000+ experts to Fortune 500s and top investors. Founded in 2019, we have 250+ staff across 8 cities - with HCMC as our largest hub — and we are scaling to 400+ by becoming an AI-native organization. We are backed by $6M+ and certified as a Great Place to Work® Japan 2026. ROLE OVERVIEW Designs, builds, and operates the AWS infrastructure that supports our product, continuously improving its reliability, security, cost efficiency, and governance. Why This Role You'll be a founding member of a new engineering team—building culture, process, and tech stack from the ground up. This isn't a cog-in-the-machine role; it's your chance to define how a team works, what tools we adopt, and how we ship. What's in it for you: Global exposure — collaborate across 15+ nationalities, with our largest hub in HCMC Fast-track growth — doubling in size means real leadership opportunities (Tech Lead → CTO track) AI-first innovation — build at the frontier, not just maintain legacy systems GRIT culture — Guts, Resilience, Initiative, Tenacity. We empower ownership, not titles Shape the future — your decisions today become the team's DNA tomorrow Location: Ho Chi Minh City, Vietnam RESPONSIBILITIES Build and operate cloud infrastructure using Infrastructure as Code (using Terraform, with changes applied through code review and CI/CD) Oversee multi-account governance - landing zone design and improvement via AWS Organizations / Control Tower, OU and SCP management, centralized logging and auditing Strengthen security and identity management - least-privilege IAM, SSO/federation, secrets management, encryption, threat detection Improve reliability and fault tolerance - eliminating single points of failure, high-availability and disaster-recovery design, backup/restore setup Optimize costs - right-sizing resources, leveraging autoscaling, cost visibility Build observability - metrics, alarms, dashboards, log management Raise engineering standards - writing design docs, runbooks, and standard rules; decision-making based on the Well-Architected Framework; incident response; mentoring team members REQUIREMENTS Required Qualifications 3+ years of experience building and operating production cloud infrastructure on AWS Hands-on knowledge of core AWS services across compute, data, networking, and delivery (e.g., ECS/Fargate, RDS, ElastiCache, OpenSearch, CloudFront/S3, Route 53, CloudWatch, VPC) Solid foundational knowledge of AWS security (IAM roles/policies/least privilege/federation/SSO, logging and auditing via CloudTrail, KMS, secure VPC network design) Practical cost optimization experience , having translated technical improvements into concrete cost savings Deep hands-on experience with Terraform or an equivalent IaC tool (including modules, state management, multi-environment/multi-account configurations, and CI/CD-based delivery) A careful, disciplined approach to safely changing live production systems (including change management, observability, rollback planning) Preferred Qualifications Experience with AWS Organizations and multi-account strategy (including Control Tower or equivalent landing zones, OUs, and SCPs) AWS certifications (e.g., Solutions Architect, DevOps Engineer, Security Specialty) Experience migrating/isolating workloads across AWS accounts (including data migration, DNS/certificate cutover, and minimal-downtime migration strategies) CI/CD experience using GitHub Actions + OIDC, along with Policy as Code (e.g., OPA/Sentinel) and IaC testing Understanding of compliance/audit frameworks such as SOC 2 and ISO 27001 Production experience running containerized application workloads English communication skills (reading, writing, and speaking) BENEFITS Compensation & Benefits Competitive base salary Annual Bonus – 1-month gross salary Paid Leave – 12 days of annual leave, plus additional paid leave for significant life events and 8 days of sick leave Private Medical Insurance Self-learning Budget – Up to $1000 per year Career Growth Rapid Career Advancement – ​​Tackle challenging problems for top startups and gain skills for the global stage, with opportunities for swift promotions. Build a High-Caliber Network – Collaborate with and learn from top industry leaders and decision-makers, expanding valuable connections for career growth. Engagement Enjoy a vibrant work environment with team activities, quarterly dinners, company trips, social gatherings, and office snacks and drinks. Support for employee well-being also includes sports clubs (badminton, golf, football, etc.) Flexible Work Arrangements 【職種 / 募集ポジション】 Infrastructure Engineer 【雇用形態】 正社員 【給与】 応相談 〜 【勤務地】 Floor 3, 19-21 Tan Cang, Thanh My Tay Ward, Ho Chi Minh City. 会社情報 【会社名】 Arches 【会社名】 アーチーズ株式会社 【事業内容】 ・エキスパートマッチング事業 ・エキスパートソリューション事業 ・エキスパートナレッジバンク事業 ・タレントサーチ事業 【株主】 KUSABI ビジョナル ユーザベース SMBCベンチャーキャピタル 博報堂DYベンチャーズ　ほか 【 所在地】 〒105-0001 東京都港区虎ノ門2丁目2番1号 住友不動産虎ノ門タワー　16階 交通アクセス 銀座線 「虎ノ門駅」 3出口 徒歩4分 日比谷線 「虎ノ門ヒルズ駅」 A2出口 徒歩3分 銀座線 南北線 「溜池山王駅」 9出口 徒歩5分 【休日・休暇】 ・完全週休２日制（土曜日・日曜日） ・祝祭日休暇(勤務国毎) ・年末年始休暇(勤務国毎) ・年次有給休暇（10日〜） ・その他休暇（産前産後休暇/生理休暇/育児介護休暇/慶弔休暇/裁判員休暇 ） 【働く環境】 ・フリーアドレス ・無料ドリンク、お菓子 ・コーポレートディナー補助 【 会社保険】 ・健康保険 ・厚生年金 ・労災保険 ・雇用保険 【社員サポート】 ・ビザ取得サポート ・定期健康診断 ・自己学習支援 　（年間上限10万円） ・服装・髪色・ネイル自由